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Shihao Zhou, Peifeng Lin, Wei Zhang and Zuchao Zhu
Flow separation is undesirable and lowers the efficiency of centrifugal impellers. In this study, the evolution characteristics of separated vortices in a centrifugal impeller are studied under the off-designed flow rate condition. Unsteady Reynolds-Aver...
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Andreas G. Fotopoulos and Dionissios P. Margaris
Our study presents the computational implementation of an air lubrication system on a commercial ship with 154,800 m3 Liquified Natural Gas capacity. The air lubrication reduces the skin friction between the ship?s wetted area and sea water. We analyze t...
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Najwa Najib, Norfifah Bachok, Norihan Md Arifin and Fadzilah Md Ali
The mathematical model of the two-dimensional steady stagnation-point flow over a stretching or shrinking sheet of nanofluid in the presence of the Soret and Dufour effects and of second-order slip at the boundary was considered in this paper. The partia...
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Nazrul Azlan Abdul Samat, Norfifah Bachok and Norihan Md Arifin
The present study aims to offer new numerical solutions and optimisation strategies for the fluid flow and heat transfer behaviour at a stagnation point through a nonlinear sheet that is expanding or contracting in water-based hybrid nanofluids. Most hyb...
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Ruifan Hu, Yongliang Chen, Jifei Wu and Shuling Tian
At cryogenic temperatures, gases exhibit significant deviations from ideal behaviour, and the commonly employed gas model may inadequately represent the thermodynamic properties of cryogenic gases, subsequently impacting numerical simulations using vario...
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Wen-Chung Wu and Ankit Kumar
Nanofluid flow over a backward facing step was investigated numerically at low Reynolds number and the heat transfer was analyzed and reported. Al2O3?H2O nanofluids of different volume fractions (φ" role="presentation">??f
f
= 1?5%) were used ...
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Xiaobing Wang, Junqiang Wu, Jianzhong Chen, Yuping Li, Zhongliang Zhao, Guangyuan Liu, Yang Tao and Neng Xiong
Cryogenic wind tunnels provide the for possibility aerodynamic tests to take place over high Reynolds numbers by operating at a low gas temperature to meet the real flight simulation requirements, especially for state-of-the-art large transport aircrafts...
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Dahai Luo
The accurate prediction of supersonic turbulent separated flows involved in aerospace vehicles is a great challenge for current numerical simulations. Based on the k?? equations, several different compressibility corrections are incorporated in turbulenc...
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Mohammad Ferdows, Ashish Barmon, Osman Anwar Bég, MD Shamshuddin and Shuyu Sun
Continuous two-dimensional boundary layer heat transfer in an electroconductive Newtonian fluid from a stretching surface that is biased by a magnetic field aligned with thermal radiation is the subject of this study. The effects of magnetic induction ar...
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Dapeng Xiong, Yinxin Yang and Yanan Wang
An improved synthetic eddy method (SEM) is proposed in this paper for generating the boundary layer at the inlet of a computational domain via direct numerical simulation. The improved SEM modified the definition of the radius and the velocities of the e...
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Chaoqun Li, Shuo Tang, Yi Li and Zihai Geng
To reduce the computational cost, the k-ω" role="presentation">???
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SST turbulence model with Rotation and Curvature correction (SST-RC) is modified to predict the drag of practical aerodynamic configurations mounted with drag-reducing riblet...
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Younes Menni, Ali J. Chamkha, Chafika Zidani, Boumédiène Benyoucef
Pág. 100 - 112
A computational analysis has been conducted to investigate turbulent flow and convective thermal transfer characteristics in a two-dimensional horizontal rectangular section channel with a hot lower wall-mounted diamond-shaped baffle. The calculations ar...
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Roberto Agromayor, Bernhard Müller and Lars O. Nord
Annular diffusers are frequently used in turbomachinery applications to recover the discharge kinetic energy and increase the total-to-static isentropic efficiency. Despite its strong influence on turbomachinery performance, the diffuser is often neglect...
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Johanes Suwono
Pág. pp. 21 - 25
The plasticity index of clayey soils has been known as a good indicator for many soil parameters. This paper describes how the plasticity index of clays correlates well with the friction coefficient on certain concrete interfaces.Interface direct shear t...
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Suresha Suraiah Palaiah, Hussain Basha, Gudala Janardhana Reddy and Mikhail A. Sheremet
The present research paper deals with the study of heat and mass transfer characteristics of steady viscous incompressible two-dimensional Maxwell fluid flow past a stretching sheet under the influence of magnetic field and the Soret effect. A well-known...
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A. J. Chamkha, A. M. Rashad, E. R. EL-Zahar and Hamed A. EL-Mky
In the current framework, a model is constituted to explore the impacts of high suction and partial slip on Fe3O4–water nanoliquid flow over a porous moveable surface in a parallel free stream. The mechanisms of heat transfer ...
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